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AMD A8-Series A8-4555M - AM4555SHE44HJ

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AMD A8-4555M specifications

General information
TypeCPU / Microprocessor
Market segmentMobile
FamilyAMD A8-Series for Notebooks
Model number  ? A8-4555M
CPU part number
  • AM4555SHE44HJ is an OEM/tray microprocessor
Frequency  ? 1600 MHz
Turbo frequency2400 MHz
Package827-ball micro-BGA
SocketBGA827 (FP2)
Size1.22" x 1.06" / 3.1cm x 2.7cm
Introduction dateSeptember 2012
Architecture / Microarchitecture
Processor core  ? Trinity
Core stepping  ? TN-A1
Manufacturing process0.032 micron
1303 million transistors
Die size246mm2
Data width64 bit
The number of cores4
The number of threads4
Floating Point UnitIntegrated
Level 1 cache size  ? 2 x 64 KB 2-way associative shared instruction caches
4 x 16 KB 4-way associative data caches
Level 2 cache size  ? 2 x 2 MB 16-way associative shared caches
Level 3 cache sizeNone
  • MMX instructions
  • SSE / Streaming SIMD Extensions
  • SSE2 / Streaming SIMD Extensions 2
  • SSE3 / Streaming SIMD Extensions 3
  • SSSE3 / Supplemental Streaming SIMD Extensions 3
  • SSE4 / SSE4.1 + SSE4.2 / Streaming SIMD Extensions 4  ? 
  • SSE4a  ? 
  • AES / Advanced Encryption Standard instructions
  • ABM / Advanced Bit Manipulation  ? 
  • AVX / Advanced Vector Extensions
  • BMI1 / Bit Manipulation instructions 1
  • F16C / 16-bit Floating-Point conversion instructions
  • FMA3 / 3-operand Fused Multiply-Add instructions
  • FMA4 / 4-operand Fused Multiply-Add instructions
  • TBM / Trailing Bit Manipulation instructions
  • XOP / eXtended Operations instructions
  • AMD64 / AMD 64-bit technology  ? 
  • VT / Virtualization technology  ? 
  • EVP / Enhanced Virus Protection  ? 
  • Turbo Core 3.0 technology
Low power features
  • Core C1, C1E, C6 and CC6 states
  • Package S3, S4 and S5 states
  • PowerNow!
Integrated peripherals / components
Integrated graphics
  • GPU Type: Radeon HD 7600G
    Shader cores: 384
    Base frequency (MHz): 320
    Maximum frequency (MHz): 424
Memory controller
  • The number of controllers: 1
    Memory channels: 2
    Supported memory: DDR3-1333, DDR3L-1333, DDR3U-1066
    Maximum memory bandwidth (GB/s): 21.3
Other peripherals
  • PCI Express 2.0
  • Unified Video Decoder 3.2
  • DVI / DisplayPort / HDMI / VGA display controllers
Electrical / Thermal parameters
Maximum operating temperature  ? 100°C
Thermal Design Power  ? 19 Watt

Detailed side-by-side comparison

For detailed comparision of the AMD A8-4555M and any other other chip from our CPU database type in a chip name and/or its partial specs:

You can specify any of the following: manufacturer name, family name, model number, part number, core name, socket name, operating frequency, bus speed, and the last level cache. Here are examples of searches: A8-4555M, AM4555SHE44HJ, AMD A8-Series for Notebooks 1.6GHz, Trinity


Q: I have an AMD A8-4555M CPU. Is it possible to upgrade it?
A: No. Microprocessors like this one are soldered on a board, as a result, upgrading or replacing them is extremely difficult.

A8-4555M Overclocking

Sorry, we do not have overclocking data for the processor at this time.

Related news stories

AMD quietly releases ultra low power APUs
Sep 27, 2012: The launch of AMD "Trinity" mobile lineup back in May included two low- and ultra-low voltage microprocessors. Featuring only 25 Watt or lower Thermal Design Power, new chips were supposedly to be cheaper than Intel's ULV offerings. A quick look at current prices shows that AMD thin-and-light notebooks are indeed less expensive than Intel-based ultrabooks, although this partially can be explained by more stringent Ultrabook requirements, such as notebook's height and battery life.

AMD A4-4355M and A8-4555M APUs surface in Lenovo notebook
Sep 07, 2012: Last week at IFA electronics show in Berlin, Lenovo announced new IdeaPad notebooks, including three S series models: S300, S400, and S405. The S300 and S400 laptops will be based on Intel ULV CPUs, whereas the S405 will be shipped with three ultra low voltage AMD APUs with "Trinity" core. The most interesting part is that two out of three processors are not yet released. These are A4-4355M and A8-4555M.

CPU ID information for the A8-4555M

We don't have CPU ID information for the AMD A8-4555M CPU in our database. If you have this processor please use our CPUID tool to submit CPUID information. During submission, please specify family name, AM4555SHE44HJ part number, and, most importantly, make the CPUID record public. To search or browse all public CPUID submissions please visit CPUID database.

CPUs, related to AMD A8-4555M

Model Cores /
Frequency Turbo
TDP Features  
AMD A8-Series for Notebooks family, BGA827 (FP2)
   A8-4555M4 / 41.6 GHz2.4 GHz4 MB19W 
   A8-5545M4 / 41.7 GHz2.7 GHz4 MB19W>
   A8-4557M4 / 41.9 GHz2.8 GHz4 MB35W>
   A8-5557M4 / 42.1 GHz3.1 GHz4 MB35W>
AMD A8-Series for Notebooks family, Piledriver micro-architecture, Other sockets
   A8-4500M4 / 41.9 GHz2.8 GHz4 MB35W>
   A8-5550M4 / 42.1 GHz3.1 GHz4 MB35W>
Other families, Piledriver micro-architecture, BGA827 (FP2)
   A4-4355M2 / 21.9 GHz2.4 GHz1 MB17W>
   A4-5145M2 / 22 GHz2.6 GHz1 MB17W>
   A6-4455M2 / 22.1 GHz2.6 GHz2 MB17W>
   A6-5345M2 / 22.2 GHz2.8 GHz1 MB17W>
   A6-5357M2 / 22.9 GHz3.5 GHz1 MB35W>
   A10-4655M4 / 42 GHz2.8 GHz4 MB25W>
   A10-5745M4 / 42.1 GHz2.9 GHz4 MB25W>
   A10-4657M4 / 42.3 GHz3.2 GHz4 MB35W>
   A10-5757M4 / 42.5 GHz3.5 GHz4 MB35W>
 • Within each category, the CPUs are sorted from slower (at the top) to faster (at the bottom)
 • Background color of specs and features indicate whether they are better or worse than similar spec/feature of the A8-4555M
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